AMD Radeon R9 390X 's Advantages
Lower TDP (275W vs 350W)
NVIDIA GeForce RTX 3090 's Advantages
Released 5 years and 3 months late
Boost Clock1695MHz
More VRAM (24GB vs 8GB)
Larger VRAM bandwidth (936.2GB/s vs 384.0GB/s)
7680 additional rendering cores